System and method to prevent endpoint device recovery flood in NGN
US8782207B2 · kind B2 · utility
52Cited by
2References
21Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 20, 2009 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Dec 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/10
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A mechanism is provided for recovering from a catastrophic failure that results in a large number of user endpoints attempting to come on line simultaneously after an NGN is restored. In an enhanced DNS load balancer, DNS queries from the user end points relating to a particular NGN edge device are selectively dropped if a rate of queries for the particular edge device suddenly increases or exceeds a threshold. The query dropping may also be based in part on the class of service assigned to the user endpoint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.